Shares of DragonWave (DRWI) get hit hard in the post-trading session after its FQ3 revenue...

Shares of DragonWave (DRWI) get hit hard in the post-trading session after its FQ3 revenue misses Street estimates. Losses widened as sales continued to slump and margins collapsed from 48% to 40%. The company also cut FQ4 revenue guidance, now projecting $12M - $15M, below analysts' expectations of $16M. Shares -12.2% AH.